eloop: Add eloop_sock_requeue()

This function can be used to re-build eloop socket tables after forking
for eloop implementations that need this.

Signed-off-by: Roy Marples <roy@marples.name>

src/utils/eloop.h

@@ -312,6 +312,14 @@ int eloop_register_signal_terminate(eloop_signal_handler handler,
 int eloop_register_signal_reconfig(eloop_signal_handler handler,
 				   void *user_data);
 
+/**
+ * eloop_sock_requeue - Requeue sockets
+ *
+ * Requeue sockets after forking because some implementations require this,
+ * such as epoll and kqueue.
+ */
+int eloop_sock_requeue(void);
+
 /**
  * eloop_run - Start the event loop
  *